2020 KTM 450 SX-F Dyno Test

How much power does KTM’s 450 motocross bike make in 2020?

Video By: Bert Beltran

The 2020 KTM 450 SX-F has a starting suggested retail price of $9,999 and is available in orange. Powering this Austrian motorcycle is a liquid-cooled, SOHC, four-valve, 449.9cc four-stroke engine.

We ran the 450 SX-F on our rear-wheel dyno to determine peak output from KTM’s flagship motocross bike. We documented 53.2 hp at 9,500 rpm and 33.7 pound-feet of torque at 7,000 rpm.

2020 KTM 450 SX-F Dyno Chart
2020 KTM 450 SX-F Dyno ChartRobert Martin

“The KTM has a very broad power delivery and lots of tunability with two maps and traction control.” —Andrew Oldar

2020 KTM 450 SX-F Engine Specifications

  • Engine Type: Liquid-cooled, SOHC, four-stroke single-cylinder; 4 valves/cyl.
  • Bore x Stroke: 95.0 x 63.4mm
  • Displacement: 449.9cc
  • Compression Ratio: 12.75:1
  • Fuel Delivery: Electronic fuel injection